Yamaha dx100 Owner's Manual page 52

Functions only on MSB data:
MSB
00000000
01000000
01111111
4-1-2 Channel Mode Message
Status
Received whether MIDI CH INFO is ON or OFF
C=123
C=126
C=127
4-2 System Information
4-2-1 System Real-Time Message
Active sensing
Status
within 300 milliseconds the MIDI receive buffer will be cleared and the currently
output note will be turned OFF.
4-2-2 System Exclusive Message
(1) Parameter Change (switch mode)
Status
ID no.
Substatus / ch. no.
Parameter group no.
Switch no.
Data
EOX
All panel switches are controlled. The switch numbers are arranged as shown in
the illustration below. Received only when MIDI SYS INFO is ON.
(2) Parameter Change
The format is the same as the transmitted parameter change data. Received only
when MIDI SYS INFO is ON. Permits changing voice and function parameters
while the EDIT mode is active. It is also possible to change modes: PLAY, EDIT,etc.
The parameter no. and data received are show in voice parameter table 5-2 and
function parameter table 5-3.
Lowest value
Center value
Highest value
n=channel no.
1011nnnn
0ccccccc
0vvvvvvv
V = 0 All notes OFF
V=1 MONO mode ON
POLY mode ON
V=0
11111110(FE)
11110000(F0)
01000011(43)
0001nnnn(1n) n=channel no.
00001000 (08)
0mmmmm
d=0: OFF, 1 ~ 127: ON
0ddddddd
11110111(F7)
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